19380078

素因数分解:

$2^1\times 3^2\times {\mathrm{1076671}}^1$

素因数の和:1076679

約数の個数: 12

約数和(自身を含む): 41990208

約数和(自身を除く): 22610130

約数列:

[1, 2, 3, 6, 9, 18, 1076671, 2153342, 3230013, 6460026, 9690039, 19380078]

約数ペア:

[(1, 19380078), (2, 9690039), (3, 6460026), (6, 3230013), (9, 2153342), (18, 1076671)]